From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: HYBRID: set_page_prot() (make pte readonly)
Date: Fri, 07 Oct 2011 08:46:52 -0700
Message-ID: <4E8F1EEC.9000205@goop.org>
References: <20111006191241.0866625f@mantra.us.oracle.com>
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To: Mukesh Rathor <mukesh.rathor@oracle.com>
Cc: "Xen-devel@lists.xensource.com" <Xen-devel@lists.xensource.com>, stefano.stabellini@eu.citrix.com
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On 10/06/2011 07:12 PM, Mukesh Rathor wrote:
> So, I'm at a loss on how to make set_page_prot() work during 
> xen_map_identity_early(). I tried few things, but no luck. The fixmap
> is not setup during this time, so can't use that. 
>
> Have any ideas?

Why do you need set_page_prot() at all?  It's only being used to mark
pagetable entries RO, but you presumably don't need to do that with EPT.

    J